/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using Composite.Core.WebClient.Services.WysiwygEditor;
using Composite.Data;
using Composite.Data.ProcessControlled.ProcessControllers.GenericPublishProcessController;
using Composite.Data.Types;
using CookComputing.XmlRpc;

namespace Composite.Community.Blog.MetaWeblog
{
    internal class MetaWeblogBlog : MetaWeblogData
    {
        private readonly Expression<Func<Entries, bool>> _predicate;

        public MetaWeblogBlog(string username, string password, string blogid)
            : base(username, password)
        {
            PageId = ParsePageId(blogid);
            _predicate = d => d.PageId == PageId && d.Author == Author.Id;
        }

        protected Guid PageId { get; private set; }

        public static Guid ParsePageId(string blogid)
        {
            Guid pageId;
            if (Guid.TryParse(blogid, out pageId))
            {
                return pageId;
            }
            throw new XmlRpcFaultException(0, "Invalid blog id");
        }

        public Guid AddPost(string title, string description, string publicationStatus)
        {
            IPage page = PageManager.GetPageById(PageId, true);
            if (page != null)
            {
                var entry = DataFacade.BuildNew<Entries>();
                entry.Date = DateTime.Now;
                entry.Title = title;
                entry.Content = RelativeMediaUrl(MarkupTransformationServices.TidyHtml(description).Output.Root);
                entry.PublicationStatus = publicationStatus;
                entry.Tags = string.Empty;
                entry.Teaser = string.Empty;
                entry.Author = Author.Id;
                PageFolderFacade.AssignFolderDataSpecificValues(entry, page);
                entry = DataFacade.AddNew(entry);

                if (publicationStatus == GenericPublishProcessController.Published)
                {
                    entry.PublicationStatus = publicationStatus;
                    DataFacade.Update(entry);
                }
                return entry.Id;
            }
            return Guid.Empty;
        }

        public IEnumerable<Entries> GetRecentPosts()
        {
            return DataFacade.GetData(_predicate).OrderByDescending(d => d.Date);
        }
    }
}